1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
|
// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "views/controls/textfield/textfield.h"
#include "app/gfx/insets.h"
#if defined(OS_WIN)
#include "app/win_util.h"
#endif
#include "base/string_util.h"
#include "views/controls/textfield/native_textfield_wrapper.h"
#include "views/widget/widget.h"
namespace views {
// static
const char Textfield::kViewClassName[] = "views/Textfield";
/////////////////////////////////////////////////////////////////////////////
// Textfield
Textfield::Textfield()
: native_wrapper_(NULL),
controller_(NULL),
style_(STYLE_DEFAULT),
read_only_(false),
default_width_in_chars_(0),
draw_border_(true),
background_color_(SK_ColorWHITE),
use_default_background_color_(true),
num_lines_(1),
initialized_(false) {
SetFocusable(true);
}
Textfield::Textfield(StyleFlags style)
: native_wrapper_(NULL),
controller_(NULL),
style_(style),
read_only_(false),
default_width_in_chars_(0),
draw_border_(true),
background_color_(SK_ColorWHITE),
use_default_background_color_(true),
num_lines_(1),
initialized_(false) {
SetFocusable(true);
}
Textfield::~Textfield() {
if (native_wrapper_)
delete native_wrapper_;
}
void Textfield::SetController(Controller* controller) {
controller_ = controller;
}
Textfield::Controller* Textfield::GetController() const {
return controller_;
}
void Textfield::SetReadOnly(bool read_only) {
read_only_ = read_only;
if (native_wrapper_) {
native_wrapper_->UpdateReadOnly();
native_wrapper_->UpdateBackgroundColor();
}
}
bool Textfield::IsPassword() const {
return style_ & STYLE_PASSWORD;
}
bool Textfield::IsMultiLine() const {
return !!(style_ & STYLE_MULTILINE);
}
void Textfield::SetText(const std::wstring& text) {
text_ = text;
if (native_wrapper_)
native_wrapper_->UpdateText();
}
void Textfield::AppendText(const std::wstring& text) {
text_ += text;
if (native_wrapper_)
native_wrapper_->AppendText(text);
}
void Textfield::SelectAll() {
if (native_wrapper_)
native_wrapper_->SelectAll();
}
void Textfield::ClearSelection() const {
if (native_wrapper_)
native_wrapper_->ClearSelection();
}
void Textfield::SetBackgroundColor(SkColor color) {
background_color_ = color;
use_default_background_color_ = false;
if (native_wrapper_)
native_wrapper_->UpdateBackgroundColor();
}
void Textfield::UseDefaultBackgroundColor() {
use_default_background_color_ = true;
if (native_wrapper_)
native_wrapper_->UpdateBackgroundColor();
}
void Textfield::SetFont(const gfx::Font& font) {
font_ = font;
if (native_wrapper_)
native_wrapper_->UpdateFont();
}
void Textfield::SetHorizontalMargins(int left, int right) {
if (native_wrapper_)
native_wrapper_->SetHorizontalMargins(left, right);
}
void Textfield::SetHeightInLines(int num_lines) {
DCHECK(IsMultiLine());
num_lines_ = num_lines;
}
void Textfield::RemoveBorder() {
if (!draw_border_)
return;
draw_border_ = false;
if (native_wrapper_)
native_wrapper_->UpdateBorder();
}
void Textfield::CalculateInsets(gfx::Insets* insets) {
DCHECK(insets);
if (!draw_border_)
return;
// NOTE: One would think GetThemeMargins would return the insets we should
// use, but it doesn't. The margins returned by GetThemeMargins are always
// 0.
// This appears to be the insets used by Windows.
insets->Set(3, 3, 3, 3);
}
void Textfield::SyncText() {
if (native_wrapper_)
text_ = native_wrapper_->GetText();
}
// static
bool Textfield::IsKeystrokeEnter(const Keystroke& key) {
return key.key == VK_RETURN;
}
// static
bool Textfield::IsKeystrokeEscape(const Keystroke& key) {
return key.key == VK_ESCAPE;
}
////////////////////////////////////////////////////////////////////////////////
// Textfield, View overrides:
void Textfield::Layout() {
if (native_wrapper_) {
native_wrapper_->GetView()->SetBounds(GetLocalBounds(true));
native_wrapper_->GetView()->Layout();
}
}
gfx::Size Textfield::GetPreferredSize() {
gfx::Insets insets;
CalculateInsets(&insets);
return gfx::Size(font_.GetExpectedTextWidth(default_width_in_chars_) +
insets.width(),
num_lines_ * font_.height() + insets.height());
}
bool Textfield::IsFocusable() const {
return IsEnabled() && !read_only_;
}
void Textfield::AboutToRequestFocusFromTabTraversal(bool reverse) {
SelectAll();
}
bool Textfield::SkipDefaultKeyEventProcessing(const KeyEvent& e) {
#if defined(OS_WIN)
// TODO(hamaji): Figure out which keyboard combinations we need to add here,
// similar to LocationBarView::SkipDefaultKeyEventProcessing.
const int c = e.GetCharacter();
if (c == VK_BACK)
return true; // We'll handle BackSpace ourselves.
// We don't translate accelerators for ALT + NumPad digit, they are used for
// entering special characters. We do translate alt-home.
if (e.IsAltDown() && (c != VK_HOME) &&
win_util::IsNumPadDigit(c, e.IsExtendedKey()))
return true;
#endif
return false;
}
void Textfield::SetEnabled(bool enabled) {
View::SetEnabled(enabled);
if (native_wrapper_)
native_wrapper_->UpdateEnabled();
}
void Textfield::Focus() {
if (native_wrapper_) {
// Forward the focus to the wrapper if it exists.
native_wrapper_->SetFocus();
} else {
// If there is no wrapper, cause the RootView to be focused so that we still
// get keyboard messages.
View::Focus();
}
}
void Textfield::ViewHierarchyChanged(bool is_add, View* parent, View* child) {
if (is_add && !native_wrapper_ && GetWidget() && !initialized_) {
initialized_ = true;
native_wrapper_ = NativeTextfieldWrapper::CreateWrapper(this);
//AddChildView(native_wrapper_->GetView());
// TODO(beng): Move this initialization to NativeTextfieldWin once it
// subclasses NativeControlWin.
native_wrapper_->UpdateText();
native_wrapper_->UpdateBackgroundColor();
native_wrapper_->UpdateReadOnly();
native_wrapper_->UpdateFont();
native_wrapper_->UpdateEnabled();
native_wrapper_->UpdateBorder();
}
}
std::string Textfield::GetClassName() const {
return kViewClassName;
}
} // namespace views
|
